.ta-l{
    text-align-last: left;
}
.ta-c{
    text-align: center;
}
.ta-r{
    text-align: right;
}
.cl-f{
    color:#fff;
}
.cl-b3{
    color:#333;
}
.cl-b4{
    color:#444;
}
.cl-b5{
    color:#555;
}
.cl-b6{
    color:#666;
}
.cl-b7{
    color:#777;
}
.cl-b8{
    color:#888;
}
.cl-b9{
    color:#999;
}